ZHENG Shi-jun, TAN Qiu-lin, HONG Ying-ping, et al. Fabrication and measurement of passive pressure sensor based on zirconia functional ceramic[J]. 2013, 32(6): 81-83+87.
ZHENG Shi-jun, TAN Qiu-lin, HONG Ying-ping, et al. Fabrication and measurement of passive pressure sensor based on zirconia functional ceramic[J]. 2013, 32(6): 81-83+87. DOI: 10.13873/j.1000-97872013.06.035.
Zirconia functional ceramic has wide applications with its stable physical characters
mechanical toughness and high temperature robustness.Based on basic research on non-contact passive signal measurement technology
pressure LC passive circuit is used as technical background.Design scheme of MEMS pressure micro-structure is realized by ZrO2 casting belt
by adopting ceramic green sheet technology and thick film printing technology
pressure sensor is fabricated.Non contact environmental pressure test is realized according to inductive coupling theory.The sensitivity of pressure sensor is 7.5 MHz/bar at max coupling distance 1 cm.The problem of micro-device packaging and lead out reach can be avoided
thus lay the foundation for pressure sensor used in high temperature environment in the future.
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